Bertrand, J. T., Knowles, J. C., & Magnani, R. J. (1994). Handbook of indicators for family planning program evaluation. The Evaluation Project, Carolina Population Center, University of North Carolina.
Chicago-referens (17:e uppl.)Bertrand, Jane T., James C. Knowles, och Robert J. Magnani. Handbook of Indicators for Family Planning Program Evaluation. Carolina: The Evaluation Project, Carolina Population Center, University of North Carolina, 1994.
MLA-referens (9:e uppl.)Bertrand, Jane T., et al. Handbook of Indicators for Family Planning Program Evaluation. The Evaluation Project, Carolina Population Center, University of North Carolina, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.